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math.ST2022
The Power of Two Matrices in Spectral Algorithms for Community Recovery
Souvik Dhara, Julia Gaudio, Elchanan Mossel +1
Spectral algorithms are some of the main tools in optimization and inference problems on graphs. Typically, the graph is encoded as a matrix and eigenvectors and eigenvalues of the…
math.ST2022
Agreement and Statistical Efficiency in Bayesian Perception Models
Yash Deshpande, Elchanan Mossel, Youngtak Sohn
Bayesian models of group learning are studied in Economics since the 1970s. and more recently in computational linguistics. The models from Economics postulate that agents maximize…